ctr_mcu/branches/sim/led_cam.c

/******************************************************//**
  LED_Cam          TO02
\n  BLINK,*_PLUSE の時は、1周期分は必ずその状態になります。
\n  その間に OFF→BLINK などされると、OFFが無視されます。
 *********************************************************/
#ifndef _WIN32

#pragma sfr

#endif

#include "incs.h"
#include "led.h"



// ========================================================
static u8 state_led_cam = 0;
static u16 task_interval;

bit cam_led_update;



// ========================================================
static void cam_led_twl();



// ========================================================
void tsk_led_cam(  )
{
	DI();                    // レジスタへの書き込みで強制起動がかかることがあるため
    if( !cam_led_update )
    {
        if( task_interval != 0 )
        {
            task_interval -= 1;
            return;
        }
    }
    cam_led_update = false;  // TWL のブリンク設定（一発だけ点灯）のため
	EI();

	if( system_status.pwr_state == SLEEP )  // sleep中、強制消灯
	{
        LED_CAM = 0;
        state_led_cam = 0;
	}
	else
	{
		// ブリンクのように待たせたいとき以外は毎週起動する
		//  (レジスタの変更にすぐに反応する)
		switch ( vreg_ctr[VREG_C_LED_CAM] )
		{
		case ( CAM_LED_OFF ):
		default:
			LED_CAM = 0;
			state_led_cam = 0;
			break;

		case ( CAM_LED_ON ):
			LED_CAM = 1;
			state_led_cam = 0;
			break;

		case ( CAM_LED_BLINK ):
			if( state_led_cam == 0 )
			{
				LED_CAM = 1;
				state_led_cam = 1;
			}
			else
			{
				LED_CAM = 0;
				state_led_cam = 0;
			}
			task_interval = 250;
			break;

		case ( CAM_LED_ON_PLUSE ):
			if( state_led_cam == 0 )
			{
				LED_CAM = 1;
				state_led_cam = 1;
				task_interval = 250;
			}
			else
			{
				vreg_ctr[VREG_C_LED_CAM] = CAM_LED_OFF;
			}
			break;

		case ( CAM_LED_OFF_PLUSE ):
			if( state_led_cam == 0 )
			{
				LED_CAM = 0;
				state_led_cam = 1;
				task_interval = 250;
			}
			else
			{
				vreg_ctr[VREG_C_LED_CAM] = CAM_LED_ON;
			}
			break;

		case( CAM_LED_BY_TWL ):
			cam_led_twl();
		}
	} // if( system_status.pwr_state == sleep ) ... else ...
}



void cam_led_twl()
{
	// TWL互換 //
	switch ( vreg_twl[ REG_TWL_INT_ADRS_CAM ] ){
	case( TWL_CAMLED_OFF ):
		LED_CAM = 0;
		state_led_cam = 0;
		break;

	case( TWL_CAMLED_BLINK ):
		if( state_led_cam == 0 )
		{
			LED_CAM = 1;
			state_led_cam = 1;
		}
		else
		{
			LED_CAM = 0;
			state_led_cam = 0;
		}
		task_interval = 600 / SYS_INTERVAL_TICK + 250;
		break;

	case( TWL_CAMLED_ON ):
	case( TWL_CAMLED_DEF_ON ):
	default:
		LED_CAM = 1;
		state_led_cam = 1;
		break;
	}
}